Dissolving device for recycling lithium battery pole piece

Abstract

The utility model relates to a dissolving device for recycling lithium battery pole pieces, which comprises a dissolving box, an auxiliary mechanism is mounted in the dissolving box, the auxiliary mechanism comprises turntables rotatably mounted on opposite sides in the dissolving box, support shafts are symmetrically and rotatably mounted on the turntables, bearing sleeves are rotatably sleeved on the support shafts, and the bearing sleeves are sleeved on the bearing sleeves. A V-shaped supporting arm is installed on the bottom side of the bearing sleeve and connected with the end of the loading hopper. Rotation of the rotating disc and position replacement of the loading hoppers are realized through work of the motor, it is always guaranteed that one loading hopper is located above the liquid level of a dissolving solution to remove undissolved impurities and add lithium battery pole pieces, the other loading hopper is located below the liquid level of the dissolving solution to perform dissolving operation, and non-stop feeding, discharging and dissolving are realized; and the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery pole piece recycling, in particular to a dissolving device for recycling lithium battery pole pieces. Background Art

[0002] From the perspective of the types of lithium batteries currently used in the market, the main types of lithium batteries are lithium cobalt oxide, lithium nickel cobalt manganese oxide, and lithium iron phosphate as positive electrode materials. With the rapid development of the new energy vehicle industry, the number of ternary nickel cobalt manganese hydroxide batteries produced has continued to surge, and the recycling of battery materials is imminent. By recycling and reusing lithium battery pole pieces, production costs can be reduced and pollution can be reduced.

[0003] When dissolving existing lithium battery electrodes, the lithium battery electrodes are directly placed in the dissolution device, and the lithium battery electrodes in the dissolution device need to be manually stirred. Otherwise, the lithium battery electrodes are likely to accumulate in the dissolution device, resulting in low dissolution efficiency. At the same time, the impurities generated after dissolution need to be cleaned regularly, so the machine needs to be shut down for cleaning. Utility Model Content

[0004] The problem solved by the utility model is to provide a dissolving device for recycling lithium battery pole pieces, which solves the problem that when the lithium battery pole pieces are dissolved in the existing method, the lithium battery pole pieces are directly placed in the dissolving device, and the lithium battery pole pieces in the dissolving device need to be manually stirred, otherwise the lithium battery pole pieces are likely to accumulate in the dissolving device, which leads to low dissolution efficiency. At the same time, the impurities generated after dissolution need to be cleaned regularly, so the technical problem of stopping the machine for cleaning is solved.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A dissolution device for recycling lithium battery pole pieces, comprising a dissolution box, an auxiliary mechanism installed inside the dissolution box, the auxiliary mechanism comprising a turntable rotatably installed on opposite sides of the dissolution box, a support shaft symmetrically rotatably installed on the turntable, a bearing sleeve rotatably mounted on the support shaft, a support arm arranged in a V shape is installed on the bottom side of the bearing sleeve, the support arm is connected to the end of a loading hopper, a plurality of filter holes are opened on the bottom side of the loading hopper, and a mixing mechanism for mixing the lithium battery pole pieces on the loading hopper is installed on the outside of the dissolution box.

[0007] Preferably, a mounting shaft is installed in the middle of the turntable, and the mounting shaft is connected to the dissolving box through a bearing.

[0008] Preferably, a motor is installed on the outside of the dissolution box, and the output end of the motor is connected to the installation shaft.

[0009] Preferably, the material mixing mechanism comprises an electric slide rail horizontally mounted on the side wall of the dissolving box, and an electric slide seat is slidably mounted on the electric slide rail.

[0010] Preferably, an L-shaped sliding arm is installed on the electric sliding seat, a pneumatic cylinder is installed on the top side of the sliding arm, and a material leveling plate is installed at the telescopic end of the pneumatic cylinder passing through the sliding arm.

[0011] Preferably, the length of the material leveling plate is adapted to the loading hopper.

[0012] The beneficial effects of the utility model are as follows: the turntable is rotated and the position of the loading hopper is replaced by the operation of the motor, so that one loading hopper is always located above the liquid surface of the dissolving solution to remove undissolved impurities and add lithium battery pole pieces, and the other loading hopper is located below the liquid surface of the dissolving solution to perform the dissolving operation, so that loading and unloading and dissolving can be achieved without stopping the machine, which greatly improves the work efficiency;

[0013] The electric slide seat moves along the electric slide rail, and the pneumatic cylinder drives the leveling plate to rise and fall to adjust the height, and then the lithium battery pole pieces in the loading hopper are leveled by the leveling plate, so that the thickness of the lithium battery pole pieces in the loading hopper is uniform, and they are in full contact with the dissolving liquid, thereby improving the dissolution efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the first overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the second structure of the utility model as a whole;

[0016] Figure 3 This is a schematic diagram of the auxiliary mechanism structure of the utility model.

[0017] Legend:

[0018] 1. Dissolving box; 2. Turntable; 3. Support shaft; 4. Bearing sleeve; 5. Support arm; 6. Loading hopper; 7. Filter hole; 8. Motor; 9. Electric slide rail; 10. Electric slide seat; 11. Support arm; 12. Pneumatic cylinder; 13. Material leveling plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Specific examples are given below.

[0021] See also Figure 1 to Figure 3, a dissolving device for recycling lithium battery pole pieces, comprising a dissolving box 1, an auxiliary mechanism is installed inside the dissolving box 1, the auxiliary mechanism comprises a turntable 2 rotatably installed on the opposite side of the dissolving box 1, a support shaft 3 is symmetrically rotatably installed on the turntable 2, a bearing sleeve 4 is rotatably sleeved on the support shaft 3, the bearing sleeve 4 is rotatably connected to the support shaft 3, to ensure that during the rotation of the turntable 2, the support arm 5 and the loading hopper 6 are always facing downward, a support arm 5 arranged in a V shape is installed on the bottom side of the bearing sleeve 4, the support arm 5 is connected to the end of the loading hopper 6, a plurality of filter holes 7 are provided on the bottom side of the loading hopper 6, a mounting shaft is installed in the middle of the turntable 2, and the mounting shaft is connected to the dissolving box 1 through a bearing, a motor 8 is installed on the outside of the dissolving box 1, the output end of the motor 8 is connected to the mounting shaft, the turntable 2 is driven to rotate by the operation of the motor 8, and the position replacement of the two loading hoppers 6 is realized;

[0022] A material leveling mechanism for leveling the lithium battery pole pieces on the loading hopper 6 is installed on the outside of the dissolving box 1. The material leveling mechanism includes an electric slide rail 9 horizontally installed on the side wall of the dissolving box 1. An electric slide seat 10 is slidably installed on the electric slide rail 9. The electric slide seat 10 moves along the electric slide rail 9 to facilitate the translation of the material leveling plate 13. An L-shaped slide arm 11 is installed on the electric slide seat 10. A pneumatic cylinder 12 is installed on the top side of the slide arm 11. A material leveling plate 13 is installed on the telescopic end of the pneumatic cylinder 12 that passes through the slide arm 11. The pneumatic cylinder 12 drives the material leveling plate 13 to rise and fall, which is convenient for adjusting the height of the material leveling plate 13. The length of the material leveling plate 13 is adapted to the loading hopper 6. The lithium battery pole pieces in the loading hopper 6 are leveled by the material leveling plate 13, which facilitates the uniform thickness of the lithium battery pole pieces in the loading hopper 6 and sufficient contact with the dissolving liquid, thereby improving the dissolution efficiency.

[0023] The motor 8 drives the turntable 2 to rotate, thereby realizing the position replacement of the two loading hoppers 6, that is, the loading hopper 6 located above the turntable 2 is located above the liquid surface of the dissolving liquid in the dissolving box 1, and the loading hopper 6 located below the turntable 2 is located below the liquid surface of the dissolving liquid in the dissolving box 1. The crushed lithium battery pole pieces are placed on the loading hopper 6, and the electric slide 10 is moved along the electric slide rail 9. The pneumatic cylinder 12 drives the leveling plate 13 to rise and fall to adjust the height, and then the lithium battery pole pieces in the loading hopper 6 are leveled by the leveling plate 13. Then, the turntable 2 rotates to realize the position replacement of the loading hopper 6. After the loading hopper 6 with the lithium battery pole pieces is located in the dissolving box 1 and is dissolved, the loading hopper 6 rotates to be above the liquid surface of the dissolving liquid, the undissolved part of the loading hopper 6 is cleaned out, and the crushed lithium battery pole pieces are re-added. The operation is repeated to complete the dissolution of the lithium battery pole pieces.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A dissolving device for recycling lithium battery pole pieces, characterized in that: The invention comprises a dissolving box (1), wherein an auxiliary mechanism is installed inside the dissolving box (1), wherein the auxiliary mechanism comprises a turntable (2) rotatably installed on opposite sides inside the dissolving box (1), wherein a support shaft (3) is symmetrically rotatably installed on the turntable (2), wherein a bearing sleeve (4) is rotatably mounted on the support shaft (3), wherein a support arm (5) arranged in a V shape is installed on the bottom side of the bearing sleeve (4), wherein the support arm (5) is connected to the end of a loading hopper (6), wherein a plurality of filter holes (7) are provided on the bottom side of the loading hopper (6), and wherein a material mixing mechanism for mixing lithium battery pole pieces on the loading hopper (6) is installed on the outside of the dissolving box (1).

2. A dissolving device for recycling lithium battery pole pieces according to claim 1, characterized in that: A mounting shaft is installed in the middle of the turntable (2), and the mounting shaft is connected to the dissolving box (1) via a bearing.

3. A dissolving device for recycling lithium battery pole pieces according to claim 2, characterized in that: A motor (8) is installed outside the dissolving box (1), and an output end of the motor (8) is connected to a mounting shaft.

4. A dissolving device for recycling lithium battery pole pieces according to claim 3, characterized in that: The material mixing mechanism comprises an electric slide rail (9) horizontally mounted on the side wall of the dissolving box (1), and an electric slide seat (10) is slidably mounted on the electric slide rail (9).

5. A dissolving device for recycling lithium battery pole pieces according to claim 4, characterized in that: An L-shaped slide arm (11) is mounted on the electric slide seat (10), a pneumatic cylinder (12) is mounted on the top side of the slide arm (11), and a material leveling plate (13) is mounted on the telescopic end of the pneumatic cylinder (12) passing through the slide arm (11).

6. A dissolving device for recycling lithium battery pole pieces according to claim 5, characterized in that: The length of the material leveling plate (13) is adapted to the material loading hopper (6).

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